Migrate Lync/Skype for business dial plans to the cloud (Teams) in two steps

This article will explain how to migrate your Lync/Skype for Business on-premise dial plans with all normalization rules to the cloud tenant dial plans in Teams and Skype for Business Online to be used in Teams Direct Routing.

Before you start

Download and install the Skype for Business Online Connector module, and then restart your computer if prompted.

1. Open Lync/Skype for Business Server Management Shell to export On-Prem Dial Plan:

$OnPremDPName = Read-Host "Enter the dial plan name"

Get-CsDialPlan -Identity $OnPremDPName | Export-Clixml –Path "C:\$OnPremDPName.xml"

2. Download this PowerShell script TenantDialPlanMigration-v1.0 and execute
 it on the machine that has the Skype Online Powershell module installed.